JSPM

Use the :focus-within pseudo-selector in CSS

Use the :focus-visible pseudo-selector in CSS

Style range inputs with unprefixed pseudo-classes

Style elements when they are focused or contain a focused element

Remove :not selectors in CSS

Style range inputs with unprefixed pseudo-classes

Pseudo-selector extensions for Qwery

Target elements based on whether they are empty editable fields or contain empty editable fields

Expand pseudo shorthands